Remove Warning from Servo lib in AsyncServo lib : Single-precision operand implicitly converted to double-precision

Dependencies:   CREALIB CreaBotLib X_NUCLEO_6180XA1 mbed

Revision:
0:e655b0bc47b2
diff -r 000000000000 -r e655b0bc47b2 CreaBotLib.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CreaBotLib.lib	Fri Aug 18 12:27:07 2017 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/teams/CreaLab/code/CreaBotLib/#891b6a138383